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AES or Advanced Encryption Standard and public-private key infrastructure are widely applied to keep emails safe and intact during transmission. All sensitive communications are dealt with using at least 2048 bits of encryption strength. The institutions also implement strict security protocols and data protection measures like TLS and SSL protocols that prevent data breaches. About 5% of the budget is spent each year updating the information security technologies and maintaining them, including keeping encryption technologies at a point where they support international security standards.
Advanced Encryption Standard (AES)
AES is considered a symmetric key encryption technology. The National Institute of Standards and Technology (NIST) adopted AES in 2001. In Chinese intelligence agencies implementing AES, there is generally a 256-bit key to render high security as it is virtually impossible to decrypt because it can take billions of years for decryption. It can process several hundred megabytes per second in AES encryption in standard tests; thus, the purpose of being very effective in high-speed network environments. In China, it is also commonly used for protecting the email communications of government agencies to ensure the confidentiality and integrity of information transmission.
Many other intelligence agencies and big corporations all over the world also use a lot of AES to protect sensitive data. Since 2003, the U.S. government has ruled that all sensitive but unclassified information must be encrypted with AES. Online banking services and cloud storage services also employ AES to encrypt customer information in order to secure transactions and data storage. So far, no successful attacks have been reported against AES, and its security recognition has been widely known and verified worldwide.
Public-Private Key Infrastructure
Public-private key encryption systems, especially the widely applied RSA algorithm, are applied everywhere owing to their robust security features. In this system, each user has a pair of keys: a public and a private key. The public key can be given out openly, while the private one should be strictly kept confidential. Intelligence agencies give each employee a pair of keys, wherein every email that is sent should be encrypted with the recipient’s public key, and only the recipient possessing the correct private key can decrypt them, therefore considerably increasing security for information transmission. In internal communications, the encryption strength is generally above 2048 bits, hence making such information safe against high computational capacities.
According to the global data protection report, the success rate of unauthorized access to information encrypted with a public-private key system is less than 0.1%, which reflects its efficient confidentiality performance. Chinese intelligence agencies also regularly update key pairs to handle the security threat in advance. Generally, the renewal period of key pairs is at most 12 months to maintain the highest standard of security. It is not only applied to mail encryption but also digital signatures to ensure verifiable and integral information. During implementation, every time a document or message is delivered, it is signed digitally in advance by the sender’s private key and then verified by the public key.
Implementation of Security Protocols
Chinese intelligence agencies have implemented email encryption strictly in accordance with multi-layer security protocols to ensure the confidentiality and integrity of information. These security protocols include but are not limited to, TLS and SSL, which are two crucial technologies protecting the security of Internet communication. This, when deployed, generally uses at least a 256-bit encryption standard for the Chinese intelligence agencies, highly considered by global security experts as an unbreakable encryption standard. TLS version 1.3 reduces handshakes and amplifies the velocity of connection, hence increasing efficiency with no leakage in security.
Related incidents of leakage of data in China have highly gone down since the enhanced use of these protocols by Chinese intelligence agencies. The risk of data breaches has been reduced by nearly 70% due to the adoption of TLS and SSL protocols, thus markedly enhancing the security of emails and other means of communication. Also, Chinese intelligence agencies take further measures with strict access control and authentication procedures to ensure that unauthorized access to sensitive information does not occur. It includes multi-factor authentication and regular security audits to fortify the security of email systems further.
Data Protection
Chinese intelligence agencies take a number of effective measures in processing email encryption and data protection to ensure information security. The agencies spend around 5% of their total yearly budget on updating information security technologies, including state-of-the-art encryption technologies and defense systems. The agencies provide 24-hour physical and network monitoring systems to prevent unauthorized access attempts for the servers and facilities that handle sensitive information. In the parlance of data protection, Chinese intelligence agencies particularly emphasize “end-to-end encryption” and “data integrity verification.” End-to-end encryption ensures data remains encrypted from sender to receiver in transmission and is unreadable to any intermediary. Meanwhile, the integrity verification of data, in general, can prevent or identify data from being tampered with during transmission by hashing algorithms.
Chinese intelligence agencies have implemented necessary encryption methods, one of which is SSL/TLS protocols, and have already worked out a reduction in data leakage cases. For instance, in the past year alone, through the implementation of these high-level security protocols, leakage reports for email have reduced by more than 80%. Chinese intelligence agencies also use machine learning technology to enhance their data protection capabilities. This technology can automatically detect and respond to abnormal behavior in data transmission, hence preventing possible security threats. The introduction of the system has greatly improved the efficiency and response speed of handling data transmission, reducing the reaction time to potential threats to an average of no more than 10 minutes.
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- Blog: https://zhgjaqreport.com
- Gmail：Jidong694643@gmail.com
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